Name: : :______ (2) Science 8: Ch 6.1 Development of the Atomic
... In 1913, Niels Bohr, studied how atoms reacted to what? What did Bohr learn about electrons? In Bohr’s explanation, where could electrons move? Based on Werner Schrödinger and Werner Heisenberg’s work in the 20th century, what did they learn about electrons? Define electron cloud. ...
... In 1913, Niels Bohr, studied how atoms reacted to what? What did Bohr learn about electrons? In Bohr’s explanation, where could electrons move? Based on Werner Schrödinger and Werner Heisenberg’s work in the 20th century, what did they learn about electrons? Define electron cloud. ...
Example: Trend 2– Ionization Energy
... • Measures as distance from nucleus to the outermost electron • Unit commonly used is pm – picometer= 10-12m ...
... • Measures as distance from nucleus to the outermost electron • Unit commonly used is pm – picometer= 10-12m ...
The Atom - Mrs. Ellis` Science Class!
... ____________ the ________________ in specific and ______________ paths o However, an electron’s _____________ location _________________ be determined o Electrons exist in energy levels called ________________________ o The number of ____________ orbitals depends on how many _________________ an ato ...
... ____________ the ________________ in specific and ______________ paths o However, an electron’s _____________ location _________________ be determined o Electrons exist in energy levels called ________________________ o The number of ____________ orbitals depends on how many _________________ an ato ...
Test Review Guide
... 4.2-----------------------------------------------------------------------------------------------------------------------------The elements are arranged on the periodic table according to their numbers of __________________. Chemical families have similar ___________characteristics because they hav ...
... 4.2-----------------------------------------------------------------------------------------------------------------------------The elements are arranged on the periodic table according to their numbers of __________________. Chemical families have similar ___________characteristics because they hav ...
The Chemical Context of Life
... Energy is the capacity to cause change Potential energy is the energy that matter has because of its location or structure The electrons of an atom differ in their amounts of potential energy An electron’s state of potential energy is called its energy level, or electron shell Only the elect ...
... Energy is the capacity to cause change Potential energy is the energy that matter has because of its location or structure The electrons of an atom differ in their amounts of potential energy An electron’s state of potential energy is called its energy level, or electron shell Only the elect ...
Nuclear Chemistry PowerPoint
... For example, the radioactive element bismuth (210Bi) can undergo alpha decay to form the element thallium (206Tl) with a reaction half-life equal to five days. • If we begin an experiment starting with 100 g of bismuth in a sealed lead container, after five days we will have 50 g of bismuth and 50 g ...
... For example, the radioactive element bismuth (210Bi) can undergo alpha decay to form the element thallium (206Tl) with a reaction half-life equal to five days. • If we begin an experiment starting with 100 g of bismuth in a sealed lead container, after five days we will have 50 g of bismuth and 50 g ...
Understanding Atomic Structure of an Element
... -Valence electrons are those that are contained in the outer most shell/energy level -They play a very important role in understanding how a element will react with other elements in a reaction -A Valence electron shell is only happy when it contains a full amount of electrons ...
... -Valence electrons are those that are contained in the outer most shell/energy level -They play a very important role in understanding how a element will react with other elements in a reaction -A Valence electron shell is only happy when it contains a full amount of electrons ...
Atoms and Their Electrons
... An element must have a certain number of protons but it can have a range of numbers of neutrons i.e. hydrogen can have 0, 1, or 2 neutrons to go with its 1 proton. These are called isotopes of hydrogen In real life there may be a number of different stable isotopes of each element. This makes it dif ...
... An element must have a certain number of protons but it can have a range of numbers of neutrons i.e. hydrogen can have 0, 1, or 2 neutrons to go with its 1 proton. These are called isotopes of hydrogen In real life there may be a number of different stable isotopes of each element. This makes it dif ...
Goal 1 Study Guide and Practice Problems Fill in the following table
... sample after 60 hours? M = 1.125 g 19. How are radioactive decay, fission, and fusion different? ...
... sample after 60 hours? M = 1.125 g 19. How are radioactive decay, fission, and fusion different? ...
Isotopes and Ions - Wando High School
... Ions differ in the number of electrons For Neutral Atoms : Number of electrons = number of protons For Ions : protons the same, electrons are different Either lost or gained electrons Examples: ...
... Ions differ in the number of electrons For Neutral Atoms : Number of electrons = number of protons For Ions : protons the same, electrons are different Either lost or gained electrons Examples: ...
Dual nature of electron
... •Patterns in the properties of elements •Periodicity •The periodic table as dynamic graphic organizer •Electron configuration •Stoichiometry ...
... •Patterns in the properties of elements •Periodicity •The periodic table as dynamic graphic organizer •Electron configuration •Stoichiometry ...
Figure 2: Alternative Periodic Table
... Placed in table above using blue electrons. We predict it to be a colorless gas with low electrical conductivity and high electrical reactivity. c) Are there any elements that have not yet been discovered? If so, what would their properties be? This table has room for four more elements. The element ...
... Placed in table above using blue electrons. We predict it to be a colorless gas with low electrical conductivity and high electrical reactivity. c) Are there any elements that have not yet been discovered? If so, what would their properties be? This table has room for four more elements. The element ...
Lesson x- Review W14 answers
... pudding -discovered charge in the atom Rutherford -atoms are mostly empty space (where electrons are) with a dense positive centre (nucleus) -used the gold foil experiment to discover the nucleus; most particles went through, few bounced back Bohr -atoms have a dense nucleus surround by shells (ener ...
... pudding -discovered charge in the atom Rutherford -atoms are mostly empty space (where electrons are) with a dense positive centre (nucleus) -used the gold foil experiment to discover the nucleus; most particles went through, few bounced back Bohr -atoms have a dense nucleus surround by shells (ener ...
STUDY GUIDE for DIGESTION and NUTRITION
... Recognize elements in the alkali, alkaline earth, halogen, and noble gas families. Describe how hydrogen is a “family of one” Explain the difference between “families” and “periods” on a periodic table. Explain the difference between atomic number and mass number Atomic Structure Describe ...
... Recognize elements in the alkali, alkaline earth, halogen, and noble gas families. Describe how hydrogen is a “family of one” Explain the difference between “families” and “periods” on a periodic table. Explain the difference between atomic number and mass number Atomic Structure Describe ...
Midterm Review File
... b. Identify the name of the group that contains the element fluorine _______________ c. Give the name of the element in the alkali group that has the greatest electron affinity _________. d. Identify the element in the oxygen group whose outermost electrons are in the fourth energy level____. e. Ide ...
... b. Identify the name of the group that contains the element fluorine _______________ c. Give the name of the element in the alkali group that has the greatest electron affinity _________. d. Identify the element in the oxygen group whose outermost electrons are in the fourth energy level____. e. Ide ...
Chapter 4.1 Notes
... Theory 2. John Dalton – - English school teacher, 1808 - atoms could not be divided - all atoms of a given element were exactly alike - atoms of different elements could join to form compounds - developed the law of definite proportions – a chemical compound always contains the same elements in exac ...
... Theory 2. John Dalton – - English school teacher, 1808 - atoms could not be divided - all atoms of a given element were exactly alike - atoms of different elements could join to form compounds - developed the law of definite proportions – a chemical compound always contains the same elements in exac ...
BellWork 2/16/2015
... In an isotope, the number of protons and electrons never changes- only the number of neutrons is different This means that each isotope of a particular element has a different atomic mass than another isotope of the same element ◦ Remember: C-12 has an atomic mass of 12 and C14 has an atomic mass of ...
... In an isotope, the number of protons and electrons never changes- only the number of neutrons is different This means that each isotope of a particular element has a different atomic mass than another isotope of the same element ◦ Remember: C-12 has an atomic mass of 12 and C14 has an atomic mass of ...
1) - Kurt Niedenzu
... 32) The increase in atomic radius of each successive element within a group is primarily due to an increase in the number of a) neutrons in the nucleus b) electrons in the outermost shell c) unpaired electrons d) occupied principal energy levels 33) Elements that have properties of both metals and n ...
... 32) The increase in atomic radius of each successive element within a group is primarily due to an increase in the number of a) neutrons in the nucleus b) electrons in the outermost shell c) unpaired electrons d) occupied principal energy levels 33) Elements that have properties of both metals and n ...
Review Sheet Filled Out
... List the number of facts you know about electrons. Electrons closest to the nucleus have the least amount of energy Electrons farthest away from the nucleus have the most energy – valence e Have a negative charge Have insignificant mass and volume Reside in the 99.996% of the atom outside t ...
... List the number of facts you know about electrons. Electrons closest to the nucleus have the least amount of energy Electrons farthest away from the nucleus have the most energy – valence e Have a negative charge Have insignificant mass and volume Reside in the 99.996% of the atom outside t ...
Matter
... • Solute – substance that is dissolved. A solute is soluble, or able to dissolve. • A substance that is insoluble is unable to dissolve, forms a mixture that is not homogeneous, and therefore NOT a solution. ...
... • Solute – substance that is dissolved. A solute is soluble, or able to dissolve. • A substance that is insoluble is unable to dissolve, forms a mixture that is not homogeneous, and therefore NOT a solution. ...
key
... Placed in table above using blue electrons. We predict it to be a colorless gas with low electrical conductivity and high electrical reactivity. c) Are there any elements that have not yet been discovered? If so, what would their properties be? This table has room for four more elements. The element ...
... Placed in table above using blue electrons. We predict it to be a colorless gas with low electrical conductivity and high electrical reactivity. c) Are there any elements that have not yet been discovered? If so, what would their properties be? This table has room for four more elements. The element ...